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Norman William Liefke

📍 Surrey, CA: #8 of 88 inventorsTop 10%
Overall (2019): #134,530 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10415255 Handrail and railing assembly Chingyao Kuo 2019-09-17
10184267 Supporting mechanism for glass fence Chingyao Kuo 2019-01-22